Host unforgettable events in Long Island

If you're looking for flexible meeting space to host your next gathering, choose Radisson Hotel Hauppauge-Long Island. Our event venue spans 18,500 square feet and has 14 rooms from which to choose. Amenities like audiovisual equipment and tables, chairs and linens are available for use with each meeting room rental, and our helpful staff is always on hand to make sure your event goes off without a hitch. Corporate guests can access the business center before big meetings, and wedding planners can visit the on-site florist to pick out bouquets and other arrangements. After your meeting or event, grab a cocktail from Spiritz Lounge and relax poolside with friends or colleagues.

Our venue features:

  • 18,500 square feet of space
  • 14 separate rooms
  • Audiovisual company on site
  • Banquet tables, chairs and linens
  • Business center
  • High-speed Internet, available for an additional charge
  • On-site florist

We specialize in:

  • Weddings
  • Rehearsal dinners
  • Breakfast and brunch
  • “Sweet 16” birthday celebrations
  • Bar and bat mitzvahs
  • Retirement parties
  • Birthday parties
  • Reunions

Key features

  • 14meeting rooms

  • 700person max. capacity

  • Wedding and event coordinator

  • Catering service

  • High-quality audiovisual equipment

  • Natural daylight

  • Printing services

  • Banquet

Meeting rooms

Grand Ballroom
Approximate size: 6,356 ft² | Capacity: 700

Beautifully styled with carpeted floors and ornate light fixtures, the Grand Ballroom is ideal for company presentations and extravagant wedding receptions. For more intimate events, the ballroom can be divided into Nassau A and B, Smithtown and Suffolk with flexible setups.

Configurations:

  • Banquet: 450
  • Classroom: 375
  • Reception: 525
  • Theater: 700

Vanderbilt
Approximate size: 3,372 ft² | Capacity: 400

Need space for a grand event? Book the Vanderbilt to host up to 400 people. The space offers natural lighting and access to audiovisual equipment for effective presentations.

Configurations:

  • Banquet: 200
  • Classroom: 220
  • Conference: 80
  • Reception: 275
  • Square: 80
  • Theater: 400
  • U-shape: 100

Encore Room
Approximate size: 2,808 ft² | Capacity: 160

Gather your group around the fireplace and bar for pre-meeting cocktails before heading up a short walkway into the expansive meeting side of the Encore Room. This room is the perfect place for a milestone celebration for up to 160 guests.

Configurations:

  • Banquet: 110
  • Classroom: 120
  • Conference: 48
  • Reception: 160
  • Square: 55
  • Theater: 140
  • U-shape: 55

Seminar Theatre
Approximate size: 1,448 ft² | Capacity: 80

When you need a comfortable space for an important presentation, book our Seminar Theatre with amphitheater-style seating. You can make an appointment with our on-site audiovisual technician to ensure the success of your event.

Configuration: Classroom

Regency
Approximate size: 662 ft² | Capacity: 50

Sit down to a catered banquet for up to 35 guests or gather for a presentation in a theater-style setup for up to 50 in the Regency room. The space is flooded with natural light, and a wet bar area enables you to serve refreshments to your attendees.

Configurations:

  • Banquet: 35
  • Classroom: 24
  • Conference: 25
  • Reception: 40
  • Square: 28
  • Theater: 50
  • U-shape: 28

Diplomat
Approximate size: 664 ft² | Capacity: 50

Nearly identical to the hotel’s Regency room, the Diplomat boasts natural light, a wet bar area for serving snacks and beverages, and access to private bathrooms for guests’ convenience.

Configurations:

  • Banquet: 35
  • Classroom: 24
  • Conference: 25
  • Reception: 40
  • Square: 28
  • Theater: 50
  • U-shape: 28

Brookhaven

Approximate size: 655 ft² | Capacity: 50

Reserve our Brookhaven venue for a team meeting or business luncheon. We can set up tables, chairs and linens to your preference, and Wi-Fi enables you to stream information from your laptop.

Configurations:

  • Banquet: 40
  • Classroom: 32
  • Conference: 25
  • Reception: 40
  • Square: 30
  • Theater: 50
  • U-shape: 25

Huntington
Approximate size: 659 ft² | Capacity: 55

Similar to the Brookhaven, the Huntington space offers flexible seating arrangements, and an audiovisual technician can be reserved to help with your meeting needs.

Configurations:

  • Banquet: 40
  • Classroom: 32
  • Conference: 25
  • Reception: 40
  • Square: 30
  • Theater: 55
  • U-shape: 25

Board Room
Approximate size: 617 ft² | Capacity: 50

Host a business meeting or luncheon in the hotel’s Board Room, located just off the lobby. Take advantage of our on-site technician for all your audiovisual needs, and use our business center for printing materials for your gathering.

Configurations:

  • Banquet: 40
  • Classroom: 32
  • Conference: 25
  • Reception: 40
  • Square: 30
  • Theater: 50
  • U-shape: 25

Southfork
Approximate size: 392 ft² | Capacity: 20

Ideal for small group meetings or family gatherings, the Southfork space is just off the lobby near the front desk. After your event, walk a few steps to the Fountain Grille restaurant for a bite to eat.

Configurations:

  • Banquet: 20
  • Classroom: 8
  • Conference: 14
  • Reception: 20
  • Square: 12
  • Theater: 20

Hampton
Approximate size: 306 ft² | Capacity: 12

The smallest of the hotel’s meeting spaces, the Hampton is perfect for hosting up to a dozen guests for a training seminar or other intimate gathering.

Configuration: Conference